Transmissions and Drivetrain Need help with your trans? Problems with your axle?

hydraulic clutch release point

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Old Apr 5, 2003 | 03:45 PM
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Jproz1167's Avatar
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Car: 1982 Trans Am & 1982 Corvette
Engine: L-98 with LO-3 induction. 350 CFI
Transmission: 5 speed and vette has 700r4
Axle/Gears: 373's in T/A .. vette unknown
hydraulic clutch release point

just a quik question, my newly installed clutch doesnt seem to be releasing right, I have to really mash the clutch pedal to the floor for it to completely release, also it starts grabbing when the peddle is just a inch or so off the floor ....... is this normal or am I experiencing a a hydraulic bleeding problem, where do all your cars start engaging (pedal level)
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Old Apr 5, 2003 | 05:03 PM
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RB83L69's Avatar
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
When you installed it, which of these 2 ways did you put the throwout on the fork? Specifically, the little ears on that piece of spring material?

BTW, Thanks for the excellent classroom material Bort...
Attached Thumbnails hydraulic clutch release point-throwout-fork-right-wrong.jpg  
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Old Apr 5, 2003 | 06:18 PM
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From: California
Car: 1982 Trans Am & 1982 Corvette
Engine: L-98 with LO-3 induction. 350 CFI
Transmission: 5 speed and vette has 700r4
Axle/Gears: 373's in T/A .. vette unknown
its installed like the first picture, also I failed to say the hydraulics are from a V-6 car if theres any difference
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Old Apr 5, 2003 | 06:35 PM
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RB83L69's Avatar
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From: Loveland, OH, US
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That's your problem then. Take it back apart and put it together like the second picture.

When it's put together like the first pic, before the fork can begin pressing on the throwout to begin releasing, it has to move up to the correct position inside the TOB's groove against the tension of the little spring (very little tension comparatively, but enough to force the hydraulics to adjust to it) about 3/16" or so. That translates to a good 1½", if not more, of pedal travel that is wasted before anything happens to the clutch itself.

Don't feel bad though, it's a very common mistake. Unfortunately there's no way around it; just take the trans back out and put the clutch together right, it will work perfectly.
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Old Apr 5, 2003 | 06:43 PM
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From: California
Car: 1982 Trans Am & 1982 Corvette
Engine: L-98 with LO-3 induction. 350 CFI
Transmission: 5 speed and vette has 700r4
Axle/Gears: 373's in T/A .. vette unknown
thanks man ...... aside from that the clutch seems to work fine and doesn't slip a bit, took it around the block and torched the tires once, car also seems to be quite a bit quiker than when it was a automatic, next project dropping a 373 disc brake rear end in it
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Old Apr 6, 2003 | 03:15 AM
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Man, You would have to be some kinda Idiot to make a mistake like that...

lol
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Old Apr 6, 2003 | 05:21 AM
  #7  
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From: California
Car: 1982 Trans Am & 1982 Corvette
Engine: L-98 with LO-3 induction. 350 CFI
Transmission: 5 speed and vette has 700r4
Axle/Gears: 373's in T/A .. vette unknown
BORT62

is your lifes goal just come on and give people crap about making mistakes ???? ..... I really pity you.
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Old Apr 6, 2003 | 06:44 AM
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ede's Avatar
ede
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bort was refering to himself not you
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Old Apr 6, 2003 | 11:31 PM
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From: California
Car: 1982 Trans Am & 1982 Corvette
Engine: L-98 with LO-3 induction. 350 CFI
Transmission: 5 speed and vette has 700r4
Axle/Gears: 373's in T/A .. vette unknown
RB83L69

thank you very much for your help, I removed the tranny and redid the throwout bearing and now the car shifts wonderfully
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Old Apr 7, 2003 | 05:51 AM
  #10  
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Glad it was that easy
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Old Apr 13, 2003 | 04:00 PM
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From: Albuquerque, NM Kirtland Air Force Base
i think i'm having the same problem w/my throwout bearing but i'm not fully understanding the picture- they look the same to me- can you maybe give me a better idea of what its supposed to look like? i'll probably pull the tranny on tuesday(its Sunday right now)
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Old Apr 13, 2003 | 08:03 PM
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Look at the little ears of the spring steel piece that's part of the fork... in the 1st pic, they're outside the throwout bearing groove, making the TOB sort of clip onto the fork; in the 2nd, they're inside the groove.

OBTW those pics came from Bort as he was attempting to resolve the exact same issue on his auto-T5 swap.
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Old Apr 13, 2003 | 08:26 PM
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thanks RB- it makes a little more sense now
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Old Aug 20, 2003 | 10:23 PM
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
hey, i just installed my clutch and its doing the same thing. I think i installed the TOB the right way. THe TOB should just slip on to the fork, right, and not have to clip into it? when i start the car in neutral and try to shift into gear it wont go unless i force it in and when i do that it goes in. After its in i try to release the clutch to start movin and the engine bogs down and dosent move. Does anyone know what the problem is??? this car has been pissing me off now for so long, im about ready to torch it and get the insurance money
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Old Aug 20, 2003 | 10:25 PM
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
also me and my friend tried pushing it out of my garage and when we did it felt like there was alot of resistance on it, so much that too good size people could barley move it. Could not bleeding the clutch cause this problem?
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Old Aug 22, 2003 | 06:48 PM
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From: Katy, TX
Car: 1985 IROC Z-28
Engine: 355
Transmission: TH-350
Axle/Gears: 3:73
I did the same thing before the engine swap. I changed the clutch, and the ears were outside the bearing and I couldn't shift at all! Experience is the best teacher.... Hey, look, ma! I'm a senior member!!!!!!!!!!!
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Old Aug 24, 2003 | 08:13 AM
  #17  
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From: Chicago, IL
Car: 1992 Camaro RS
Engine: 350 TPI
Transmission: T5- manual five speed
Ryknow not bleeding the clutch will make it difficult to shift because the line is filled with air instead of fluid. but it shouldnt be hard to push. check make sure your parking brake isnt sticking on. that would also kill the engine real quick.


talk about dumb mistakes at least you guys didnt put the tob in backwards like i did once. sounded real bad.
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Old Aug 26, 2003 | 10:13 PM
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From: Albany, NY
Car: 84 Camaro Z28
Engine: carbed 350
Transmission: T5
hey, just wanted to tell you guys that the problems fixed, the next morning i went out and took the cover off of the clutch fluid and pumped the clutch like 10 times and now its fine. im still not sure about the "not being able to push the car" problem but it went away, maybe since it wouldnt shift right it might have been in gear a little or somethin but the car drives fine now.
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